Characidium dumonti

Characidium dumonti Stabile, dos Reis, Oliveira & da Graça, 2025

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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); dumonti: Name 'dumonti' in honor of lberto SantosDumont, the father of aviation, who visited Iguaçu Falls and help establish the Iguaçu National Park.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm SL male/unsexed; (Ref. 137999)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 11; Anal soft rays: 8 - 9. This species is distinguished from its congeners by the following set of characters: conspicuous dark-brown vertical bars present, blotches and spots along the sides of body; scaled isthmus; adipose fin present; five scales series below lateral line present; thin dark midlateral stripe present, occupying half scale height in vertical through dorsal-fin origin and one scale height on caudal peduncle; reticulated colour pattern present, with melanophores along the posterior edge of the scales; dorsal and pelvic-fin height, 19.1%-23.7% and 12.1%-18.1% of Ls and predorsal distance 44.5%-48.0% of Ls (137999).
Body shape (shape guide): elongated; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

This species inhabits a fast-flowing stream with a substrate composed of rocks and pebbles of varying sizes over sandy soil.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Stabile, B.H.M., R.B. dos Reis, A.V. de Oliveira and W.J. da Graça, 2025. A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil. J Fish Biol. 107:454-465. (Ref. 137999)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |